Effect of fly ash on the workability, strength and hydration heat of high belite cement and concrete.
粉煤灰对高贝利特水泥和混凝土的工作性、强度及水化热的影响。
This paper introduces the mix proportion of high fly ash content concrete instead of 30% cement with fly ash and some experiment results of the test examples in laboratory.
介绍了在水泥混凝土中,采用粉煤灰替代30 %水泥的高掺量粉煤灰混凝土的配合比设计,以及试件力学性能的室内实验结果。
Results indicated that fly-ash substituting same amount of cement can effectively solve the problem of insufficient anti-chloride-corrosion ability of steam cured concrete.
试验结果表明,粉煤灰等量取代部分水泥,可以有效解决蒸汽养护混凝土抗氯离子侵蚀能力不够的问题。
Activity of CFB fly ash was excited by compound activators and the experiment of replacing cement by quantities of CFB fly ashes in concrete was introduced.
介绍了采用复合激发剂,对流化床飞灰活性进行激发,在混凝土中以流化床飞灰大掺量替代水泥的试验研究。
An experimental study on the regularity of carbonation for cement concrete and con-crete admixed with fly ash in natural condition has been carried out in laboratory for 10years.
在实验室研究了普通水泥混凝土和掺粉煤灰水泥混凝土在自然条件下的碳化规律,历时10年。
Based on this, the influence of water to cement ratio, fly ash and silica fume on porosity of concrete are studied.
本文采用该方法研究了水灰比、粉煤灰、硅灰等对混凝土孔隙率的影响。
Replacing part of cement with fly ash in the mixture of concrete, we can reduce the concrete's cost, improve its physical mechanics properties and its durability.
粉煤灰掺入混凝土中取代部分水泥,不仅可以降低混凝土的成本,还可以改善混凝土的物理力学性能及耐久性。
The test results show that low grade cement, replacement of cement by fly ash, and adding some carbon fibers are all helpful in improving the self-healing performance of concrete.
结果表明:选用低强度等级水泥、用粉煤灰部分取代水泥以及加入纤维都可以在一定程度上提高混凝土的自愈合效果。
Among it is at concrete not modern, whose name is already with cement in fly ash, collect material, water, admixture and Kind is important, become a component part in concrete.
在现代混凝土中,粉煤灰已经与水泥、集料、水、外加剂同样重要,成为混凝土中的一个组分。
This Fly Ash is used as cement mortar, concrete mixture and concrete reducing water agent.
本文就其用于配制砌筑水泥,作混凝土掺和料和混凝土减水剂进行介绍。
After the fly ash concrete mixing, can replace the partial cement, improve the performance of concrete can cut down engineering cost, reduce the pollution of the environment.
粉煤灰掺入混凝土后,可以取代部分水泥,改善混凝土的性能降低工程造价,减少环境污染。
This fly ash can be used in producing high addition fly ash cement, all kinds of free-burned new green wall and floor material as well as preparing high addition fly ash concrete ofm...
该粉煤灰可用于生产高掺量粉煤灰水泥、各种免烧的高强新型绿色墙体材料与地面材料以及配制中低强度等级高掺量粉煤灰混凝土等。
Aimed at increasing the replacement amount of fly ash in hydraulic mass volume concrete, the poor calcium problem of moderate heat Portland cement-fly ash system was studied.
为了提高水工大体积混凝土中的粉煤灰掺量,研究了中热水泥-粉煤灰体系的贫钙问题。
The comprehensive study on the impact and mechanism of mineral fillers, as fly-ash, Portland cement, slag-powder, hydrated lime and so on, improved asphalt concrete stability is scarce.
对于替代矿粉使用的粉煤灰、水泥、矿渣粉、石灰等填料对沥青混合料性能的改善效果及机理缺乏系统的研究。
In addition to cement, the concrete raw materials, including fly ash, mineral powder, silver stone and clay, remarkably affect the application performance of PCE.
除水泥外,混凝土原材料粉煤灰、矿粉、石粉和粘土对聚羧酸系减水剂的应用性能也有明显影响。
Finally using the model loading age and coarse aggregate, cement ratio parameters were analyzed, and the laws of fly ash concrete creep are present.
最终运用本模型对加载龄期和粗骨料、水泥砂浆比参数进行了分析,给出了粉煤灰混凝土徐变的规律。
The concrete strength test was conducted with the concrete made of fly ash, cement and sand plus a certain high efficient water reduction agent FDN and the orthogonal design method.
采用粉煤灰、水泥、砂石,掺加一定量的高效减水剂FDN,利用正交设计方法安排试验。
Fly ash can be used to make cement concrete. It can save cement and sand.
粉煤灰可用于水泥混凝土的制备,可节约水泥和砂。
As interfacial agent, the mix of cement and fly ash can improve the adhesive shear strength. After planted reinforced bar, the shear strength of new and existing concrete increases greatly.
而在界面上植入抗剪钢筋后,能大幅度提高了新老混凝土的粘结抗剪强度。
The orthogonal test, using industrial process residues-fly ash to replace partial cement in order to develop the steam curing fly ash concrete, is made.
本文通过正交试验,以工业废渣—粉煤灰代替部分水泥研制蒸养粉煤灰砼。
At present, water reducing agent and fly ash compound mixing additives are mainly used in cement concrete, but their application in cement stabilized macadam is rare.
目前,减水剂和粉煤灰复合掺加外加剂主要是应用于水泥混凝土,应用于水泥稳定碎石的具体研究极少。
If concrete mixed with fly ash, its some characteristics will be improved and cement will be saved.
混凝土掺加粉煤灰,可以起到改善混凝土性质,节约水泥的作用。
The results showed that adding slag powder, fly ash, silica fume to Portland cement can improve the comprehensive performance of marine concrete.
研究结果表明,在硅酸盐水泥中掺加矿粉、粉煤灰、硅灰等混合材料可以改善海工混凝土的综合性能。
On the basis of survey of many Marine concrete constructions, the effects of adding slag powder, fly ash, silica fume to Portland cement on the performances of Marine concrete were researched.
在调查分析海工混凝土工程实例的基础上,试验研究了硅酸盐水泥中掺入矿粉、粉煤灰、硅灰等混合材料对海工混凝土性能的影响。
On the basis of survey of many Marine concrete constructions, the effects of adding slag powder, fly ash, silica fume to Portland cement on the performances of Marine concrete were researched.
在调查分析海工混凝土工程实例的基础上,试验研究了硅酸盐水泥中掺入矿粉、粉煤灰、硅灰等混合材料对海工混凝土性能的影响。
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